Red-bellied piranhas live in lakes and rivers in South America. They sometimes use their mighty mouths to gobble up other fish or animals such as shrimp, worms, and mollusks. They swim and hunt in ...

These seabirds are known for their wild look and sound—no wonder they're sometimes called the rock stars of the penguin world ...

Snowy plovers are small shorebirds that dash in and out of waves at the beach. While it looks like they are playing, these ...

American robins live across North America and in parts of Central America. They can be found in open grassy areas, gardens, ...

Sliding and wrestling, belly flopping, and somersaulting, river otters really know how to play! They take advantage of any ...

Slowly stalking down the snowy hillside, the Amur leopard watches its prey through the trees. In the clearing below, a sika deer munches on tree bark, one of its few remaining food sources during the ...

You probably know sea stars as starfish, the name sea stars are commonly known by. But sea stars aren’t really fish. Sea ...

These insects get their name because they have very long front legs that they hold in a position that reminds people of praying.